Announcement








                  Company Merrill Lynch International
                  TIDMTTP
                  Headline EMM Disclosure
                  Released 13:13 18 Feb 2003
                  Number 6450H






      FORM 38.5 (SUMMARY)

      Lodge with Company Announcements Office and the Panel. Use a separate
      form for each class of securities in which dealings have been made.

      CONNECTED EXEMPT MARKET-MAKERS:

      DISCLOSURE UNDER RULE 38.5 OF THE CITY CODE ON TAKEOVERS AND MERGERS
      Name of EMM Merrill Lynch International
      Date of disclosure 18 February 2003
      Date of dealing 17 February 2003
      Telephone number 020 7996 1038
      Please see attached disclosure of dealings under Rule 38.5 in the
      securities of the following companies:
      17 February 2003
      P & O Princess Cruises Plc - Ordinary
      Cambridge Antibody Tech Group - Common
      Oxford Glycosciences Plc - Common
      Cell Tech Group Plc - Common
      AMENDMENT
      state which element(s) of disclosure was incorrect:
      In the case of option business or dealings in derivatives full details
      should be given on a separate sheet so that the nature of the dealings
      can be fully understood. For options this should include the number of
      securities under option, the exercise period (or in the case of exercise,
      the exercise date), the exercise price and any option money paid or
      received. For derivatives this should include, at least, the number of
      reference securities to which they relate (when relevant), the maturity
      date (or if applicable the closing out date) and the reference price.


      For full details of disclosure requirements see Rules 8 and 38 of the
      Code. If in doubt contact the Monitoring
      Section of the Panel, Tel. No: 0171 638 0129


      FORM 38.5

      Lodge with Company Announcements Office and the Panel. Use a separate
      form for each class of securities in which dealings have been made.

      CONNECTED EXEMPT MARKET-MAKERS:

      DISCLOSURE UNDER RULE 38.5 OF THE CITY CODE ON TAKEOVERS AND MERGERS
      Dealing in P & O Princess Cruises Plc
      Class of security Ordinary
      Date of disclosure 18 February 2003
      Date of dealing 17 February 2003
      Name of EMM Merrill Lynch International
      Name of offeree/offeror with whom connected Carnival Corp
      Number of securities purchased 16,138
      Highest price paid* GBP3.94
      Lowest price paid* GBP3.90
      Number of securities sold 12,853
      Highest price paid* GBP3.93
      Lowest price paid* GBP3.90
      *Currency must be stated


      FORM 38.5

      Lodge with Company Announcements Office and the Panel. Use a separate
      form for each class of securities in which dealings have been made.

      CONNECTED EXEMPT MARKET-MAKERS:

      DISCLOSURE UNDER RULE 38.5 OF THE CITY CODE ON TAKEOVERS AND MERGERS
      Dealing in Oxford Glycosciences Plc
      Class of security Common
      Date of disclosure 18 February 2003
      Date of dealing 17 February 2003
      Name of EMM Merrill Lynch International
      Name of offeree/offeror with whom connected Cambridge Antibody Tech
      Group
      Number of securities purchased 70,000
      Highest price paid* GBP1.86
      Lowest price paid* GBP1.86
      Number of securities sold 108,316
      Highest price paid* GBP1.91
      Lowest price paid* GBP1.82
      *Currency must be stated



      FORM 38.5

      Lodge with Company Announcements Office and the Panel. Use a separate
      form for each class of securities in which dealings have been made.

      CONNECTED EXEMPT MARKET-MAKERS:

      DISCLOSURE UNDER RULE 38.5 OF THE CITY CODE ON TAKEOVERS AND MERGERS
      Dealing in Celltech Group Plc
      Class of security Ordinary
      Date of disclosure 18 February 2003
      Date of dealing 17 February 2003
      Name of EMM Merrill Lynch International
      Name of offeree/offeror with whom connected Cambridge Antibody
      Technology Group Plc
      Number of securities purchased 208,221
      Highest price paid* GBP3.38
      Lowest price paid* GBP3.30
      Number of securities sold 172,704
      Highest price paid* GBP3.38
      Lowest price paid* GBP3.30
      *Currency must be stated


      FORM 38.5

      Lodge with Company Announcements Office and the Panel. Use a separate
      form for each class of securities in which dealings have been made.

      CONNECTED EXEMPT MARKET-MAKERS:

      DISCLOSURE UNDER RULE 38.5 OF THE CITY CODE ON TAKEOVERS AND MERGERS
      Dealing in Cambridge Antibody Tech Group
      Class of security Common
      Date of disclosure 18 February 2003
      Date of dealing 17 February 2003
      Name of EMM Merrill Lynch International
      Name of offeree/offeror with whom connected Cambridge Antibody Tech
      Group
      Number of securities purchased 240,000
      Highest price paid* GBP4.65
      Lowest price paid* GBP4.60
      Number of securities sold 242,590
      Highest price paid* GBP4.66
      Lowest price paid* GBP4.60
      *Currency must be stated




END